National Item Identification Number
01-055-4056
010554056
4820-01-055-4056
4820-01-055-4056
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
Commercial and Government Entity Code (Supplier Data)
86090
Reference Numbers (Part Numbers)
203160
Required Categories
STYLE DESIGNATOR
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DI
Required Description
B7 PLAIN FLANGED
0.618 INCHES MINIMUM AND
0.623 INCHES MAXIMUM
0.316 INCHES N